deoku jeon wonwoo or someone similar looking to be the dipper to her mabel with lots of twisty turny family details, sunmi, the rest of red velvet, commentary/review youtubers to collab with, someone who might be suspicious about her or other suspicious people to bump into, other chatterboxes to talk late into the night with or anyone she's irritated because of it, maybe a small raven boys type gang to get tied up in a quest together